Aferm gametophyte produces eggs and sperm in

A fern gametophyte produces eggs and sperm in archegonium portion and antheridium portion respectively  

Ferns are bisexual and go under sexual reproduction. Ferns reproduce by using spores. In haploid phase each of the cells contain only one copy of each chromosome and in the multicellular diploid phase where each of the cell contained two copies of each chromosomes.

The sperms are produced in the antheridium portion and the eggs are produced in the archegonium portion

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

i think the answer is b.